696 entries under adjective topic. ×
| out to lunch(expression, idiom, wild, strange) | |
| smitten(love, keen, passionate, obsessed) | |
| thoughtless(silly, unwise, wacky) | |
| unsound(wrong, silly, foolish, stupid) | |
| wrong(foolish, unreasonable, sane, illogical) | |
| ardent(love, concern, keen, passionate) | |
| buggy(slang, silly, foolish, mad) | |
| bughouse | |
| extravagant(rough, offensive, strange, foolish) | |
| far-out(unusual, strange, absurd, unique) | |
| freak(noun, person, beat, character) | |
| half-witted(weak, simple, silly, foolish) | |
| incongruous(silly, stupid, insignificant, unreasonable) | |
| off(sane, nonconforming) | |
| off one's rocker(expression, idiom, sane) | |
| pointless(simple, silly, foolish, stupid) | |
| singular(bad, cool, extraordinary, unusual) | |
| tomfool(knowledge, ability, informal, foolish) | |
| twisted(mad, odd, insane) | |
| capricious(characteristic, person, extraordinary, unusual) |
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| APA | Smart Define. (2016). crazy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, crazy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>. |
| MLA | Smart Define. "crazy thesaurus" 3 April 2016. Web. 24 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms> |